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Nutka1998 [239]
2 years ago
13

If Betty makes monthly deposits at the end of each month in an account that earns 8% interest compounded monthly,

Mathematics
1 answer:
Svetlanka [38]2 years ago
4 0

9514 1404 393

Answer:

  (a) $254.08

  (b) $767.34

  (c) $12,449.36

Step-by-step explanation:

These questions are best answered by a financial calculator or app. Such are available for your phone or tablet. A spreadsheet also has built-in functions for making these calculations.

(a) FV = $40,000, i = 8% per year, n = 9 years (108 months), compounding 12 times per year. The monthly deposit needs to be $254.08.

__

(b) Payment = $254.08, n = 3 months, i = 8%/year, compounding 12 times per year. FV = $767.34.

__

(c) The sum of 108 payments of $254.08 is ...

  108 × $254.08 = $27,440.64

The interest earned is enough to bring the account value to $40,000, so is ...

  $40,000 -27,440.64 = $12,559.36

_____

<em>Additional comment</em>

The amount $254.08 is rounded down to the nearest cent, so the balance after 9 years will be $39,999.70, which is $0.30 short of $40,000. We used $40,000 as the final account balance, so overestimated the interest by $0.30.

There may be additional small changes in the values if you round interest to the nearest cent each month the way a financial institution would. It is hard to tell in these problems how accurate you're intended to be in your calculations.

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igomit [66]

Answer:

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susan is arranging coffee mugs on shelves in her shop. she wanta each shelf to have the same number of mugs.she only wants one c
yaroslaw [1]

The <em><u>correct answers</u></em> are:

7 mugs on each shelf; and 7 shelves for blue and 8 shelves for red.

Explanation:

To find the number of mugs that will fit on each shelf, we find the GCF (greatest common factor) of 49 and 56.  To do this, we find the prime factorization of each:

49 = 7(7)

56 = 7(8)

8 = 2(4)

4 = 2(2)

56 = 2(2)(2)(7)

The only common factor is 7, so this is the GCF.  This means that she needs to put 7 mugs on each shelf.

Since there are 49 blue mugs, she needs 49/7 = 7 shelves for them.

Since there are 56 red mugs, she needs 56/7 = 8 shelves for them.

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3 years ago
EOC 2.27
Dovator [93]

The variable that cannot be illustrated by a stem-and-leaf plot is C. Number of doctor visits during the past year.

<h3>What is a stem and leaf plot?</h3>

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In this case, the variable that cannot be illustrated by a stem-and-leaf plot is the number of doctor visits during the past year. This is because it's an ordinal variable.

Learn more about stem and leaf plot on:

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2 years ago
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If the length of each side of the right triangle shown on the grid is measured in cm, find the area of the triangle.
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Step-by-step explanation:

Step 1:

First, we plot the coordinates of the triangle.

The right bottom end of the triangle is at (15, 5).

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The top left end of the triangle is (10, 5).

The area of a triangle is given by half the product of its base length and the height of the triangle.

Step 2:

The area of a triangle= \frac{1}{2} (base)(height).

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